1. Centre for Stem Cells and Regenerative Medicine; King's College London; Great Maze Pond; London UK
2. School of Biological and Biomedical Sciences; Durham University; Durham UK
3. Department of Pathology; Keck School of Medicine; University of Southern California; Los Angeles CA USA
4. International Center for Wound Repair and Regeneration; Cheng-Kung University; Tainan Taiwan
5. Departments of Molecular, Cellular and Developmental Biology and Dermatology; Yale University; New Haven CT USA